Boss

Boss KTN-AIR EX Katana-Air Wireless Guitar Amp

5.0 (1 reviews)

Unleash Wireless Guitar Power with the Boss Katana-Air EX The Katana-Air EX is a wireless desktop amplifier delivering robust stereo sound and authentic Katana tones in a compact form. Equipped with twin five-inch speakers, a custom wood cabinet, and 35 watts of max power, it provides rich, reson...

$599.99*$649.99Save 7%
In Stock on Amazon.com
View on Amazon

*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Unleash Wireless Guitar Power with the Boss Katana-Air EX

The Katana-Air EX is a wireless desktop amplifier delivering robust stereo sound and authentic Katana tones in a compact form. Equipped with twin five-inch speakers, a custom wood cabinet, and 35 watts of max power, it provides rich, resonant tones comparable to larger amps. With a variety of onboard amp characters and effects, customize your setups via the BOSS Tone Studio app for iOS/Android, and enjoy complete freedom with advanced BOSS wireless technology.

Specifications:

  • Brand: Boss
  • Model: KTN-AIR EX
  • Amplifier Type: 20W/35W Guitar Combo Amplifier
  • Speakers: 2 x 5"
  • Wireless: Wireless Transmitter
  • Headphone Jack: 3.5mm Headphone In
  • Power: Battery Operation
  • Amp Characters: 5 Amp Characters

Key Features

Powerful desktop guitar amplifier with advanced BOSS wireless technology

Rich, resonant stereo sound with dual five-inch speakers, wood cabinet with bass-reflex port, and 35 watts max power*

Five versatile amp characters derived from the acclaimed Katana stage amplifier series, including a neutral amp character for acoustic-electric guitar and bass

Over 60 world-class BOSS effects on board

Class-leading BOSS wireless technology delivers rock-solid audio performance with ultra-low latency

Six onboard memories for storing favorite amp and effects setups

BOSS Tone Studio mobile app (iOS/Android) with deep sound-editing tools and powerful practice features

Play along with songs from a mobile device or music player via the analog aux input or Bluetooth

Built-in USB audio interface for computer music production

Specifications

Amplifier Type
Desktop Guitar Amplifier
Wireless Technology
Advanced BOSS Wireless
Speakers
Dual five-inch
Cabinet
Wood with bass-reflex port
Max Power
35 watts*
Amp Characters
5 (derived from Katana series, including neutral for acoustic/bass)
Effects
Over 60 world-class BOSS effects
Latency
Ultra-low
Onboard Memories
6
Mobile App
BOSS Tone Studio (iOS/Android)
Audio Input
Analog aux input, Bluetooth
Interface
Built-in USB audio interface

Pros & Cons

👍 Pros

  • Equipped with powerful desktop guitar amplification and advanced BOSS wireless technology for seamless playing.
  • Delivers rich, resonant stereo sound through dual five-inch speakers and a wood cabinet with a bass-reflex port.
  • Offers 35 watts max power*, providing substantial volume and headroom for practice and performance.
  • Features five versatile amp characters derived from the Katana stage amplifier series, including a neutral option for acoustic-electric guitars and bass.
  • Includes over 60 world-class BOSS effects onboard, offering a wide palette of tones and creative possibilities.
  • Provides class-leading BOSS wireless technology for rock-solid audio performance with ultra-low latency, enhancing playing freedom.
  • Six onboard memories allow for convenient storage and recall of favorite amp and effects setups.
  • The BOSS Tone Studio mobile app (iOS/Android) provides deep sound-editing tools and powerful practice features for customization.
  • Allows playback of songs from a mobile device or music player via analog aux input or Bluetooth for practice along.
  • Functions as a built-in USB audio interface, facilitating computer music production and direct recording.

👎 Cons

  • The asterisk on "35 watts max power*" suggests there might be nuances or conditions to achieving full power not fully detailed.
  • While offering wireless technology, specific battery life for the wireless transmitter or the amp itself is not provided.
  • Requires a mobile device for the BOSS Tone Studio app to access deep sound-editing and practice features.
  • As a desktop amplifier, it might not be ideal for larger venues or band practice without additional amplification.
  • The "neutral amp character" for bass and acoustic-electric guitars is mentioned, but specific bass amp models are not detailed.

Frequently Asked Questions

This amplifier delivers rich, resonant stereo sound through its dual five-inch speakers and wood cabinet with a bass-reflex port, offering 35 watts max power.
Yes, the Katana-Air EX comes with over 60 world-class BOSS effects onboard, providing a wide range of tonal options for your guitar.
It features class-leading BOSS wireless technology, which ensures rock-solid audio performance with ultra-low latency, offering freedom of movement while playing.
Yes, you can store up to six of your favorite amp and effects setups in the onboard memories for quick recall, and use the BOSS Tone Studio app for deep editing.
Yes, it includes a neutral amp character specifically designed for acoustic-electric guitar and bass, in addition to the other versatile amp characters.
Absolutely, the Boss KTN-AIR EX has a built-in USB audio interface, making it convenient for computer music production and direct recording.
You can easily play along with songs from a mobile device or music player by connecting it via the analog aux input or Bluetooth.